<div class="list-group col-md-3">
  <a href="#" class="list-group-item" style="background:#e5e5e5;">
      文章管理
  </a>
  <a href="/article/list" class="list-group-item <% if(act=='list'){ %>active<% } %>">文章列表</a>
  <a href="/article/add" class="list-group-item <% if(act=='add'){ %>active<% } %>">文章添加</a>

</div>
